PHY 305/601 Classical Mechanics Assignment No. 1 1. Consider a particle of mass m constrained to move on a frictionless cylinder of radius R‚ given by the equation ρ=R in cylindrical polar coordinates (ρ‚ φ‚ z). Besides the force of constraint‚ the only force on the mass is force F=-kr directed toward the originUsing z and φ as generalized coordinates find the Lagrangian L‚ solve Lagrange’s equations and describe the motion. 2. Show that the kinetic energy of any holonomic mechanical system has
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Investigating Newton’s 2nd Law of Motion using an Air-track Introduction: My experiment is investigating the Newton’s 2nd law of motion by using an Air-track. The air-track can make the trolley frictionless by testing the velocity with different weights and shows that F=ma. Research question: How much acceleration does the frictionless trolley has? Aim: Use the air track to measure the acceleration of the no friction trolley by hanging with different mass of weights. Apparatus: *
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West Bengal Joint Entrance Examinations or WBJEE 2014 is a common entrance exam. WBJEE 2014 is being conducted by West Bengal Joint Entrance Examinations Board for getting admission into the undergraduate courses in Engineering / Technology / Architecture / Medical / Dental and Pharmacy in universities or colleges in West Bengal. The filling of application form will begin in the end week of December and it will lasts till last week of January‚ 2014. The score of WBJEE is valid for one year. WBJEE
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UNITS‚ PHYSICAL QUANTITIES AND VECTORS 1 1.1. IDENTIFY: Convert units from mi to km and from km to ft. SET UP: 1 in. = 2.54 cm ‚ 1 km = 1000 m ‚ 12 in. = 1 ft ‚ 1 mi = 5280 ft . ⎛ 5280 ft ⎞⎛ 12 in. ⎞⎛ 2.54 cm ⎞⎛ 1 m ⎞⎛ 1 km ⎞ EXECUTE: (a) 1.00 mi = (1.00 mi) ⎜ ⎟⎜ ⎟⎜ ⎟⎜ 2 ⎟⎜ 3 ⎟ = 1.61 km ⎝ 1 mi ⎠⎝ 1 ft ⎠⎝ 1 in. ⎠⎝ 10 cm ⎠⎝ 10 m ⎠ 1.2. ⎛ 103 m ⎞⎛ 102 cm ⎞ ⎛ 1 in. ⎞⎛ 1 ft ⎞ 3 (b) 1.00 km = (1.00 km) ⎜ ⎟⎜ ⎟⎜ ⎟⎜ ⎟ = 3.28 × 10 ft 1 km ⎠⎝ 1 m ⎠ ⎝ 2.54 cm ⎠⎝ 12 in. ⎠ ⎝ EVALUATE: A mile is
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Concussions‚ Football‚ and Physics The NFL Playoffs‚ Steelers‚ Bengals. The running back Giovani Bernard receives the ball and looks up field‚ and finds himself staring at a linebacker Ryan Shazier. Shazier explodes onto him and knocks Bernard out cold. These jarring hits are common in the NFL‚ but most people don’t understand the consequences of them. Later on in life‚ football players that received head trauma experienced side effects later on‚ like CTE. CTE‚ or chronic traumatic encephalopathy
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ULTRASOUND PHYSICS Name Institution a) Calculate the Acoustic impedance of subcutaneous tissue‚ muscle and bone. Assume subcutaneous tissue has a density of 1060kg/m3 (Hedrick 2003)‚ muscle has a density of 1104kg/m3 (Madjor 2008) and bone has a density of 5065kg/m3 (Hedrick 2003). Give your answer in Mrayls. Please use speed of sound as 1540m/s for tissue‚ muscle and bone In ultrasound‚ Acoustic impedance (Z) is the quantity of measurement of resistance to sound when passing through a medium
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2-8 Refraction and polarization of light 5. Experiment Results A. Linearity of light 1. The light beam does go straight when we tested on the angle board. 2. As the source of light beam was getting farther away from the slit‚ the beam becomes narrower and shorter in addition to fading. This is because light particles escape more when they travel to go through the slit. B. Law of reflection Angle of incidence is the angle formed by a ray incident on a surface
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People sometimes engage in activities and are unaware that such activity involves physics. Physics is all around. For instance‚ you may go to Six Flags and do not analyze how physics helps the machines you ride in operate. Have you ever asked yourself how a roller coaster works? Would roller coasters safely run without the knowledge that physics offers us? The answer is no. Roller coasters are driven by physics; it mobilizes and gives its riders amusement through forces such as inertia‚ gravitation
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male and female rights. Covering almost all the areas where inequality is clearly visible‚ such as that in government and political activities‚ economical and work fields‚ and even education and marriage‚ and then reinforcing those ideas with real-life examples‚ all contributed positively in the effectiveness in which the author’s message was delivered. For instance‚ Colp Rubin starts pointing out the relation between women and politics. She clearly defines how their role in politics is limited towards
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A River About The poet Attipat Krishnaswami Ramanujan was an Indian playwright‚ folklorist‚ and poet author who wrote in both English and Kannada. Ramanujan ’s work shows that cultural tradition in India is a conflict between the colonial English identity and post-colonial ethnic identities. As a poet‚ he is known for his avant-garde approach and atavistic poetic arguments rather than innate genius. His major works include: Hymns for the Drowning‚ Speaking of Siva‚ and A River etc. In 1976‚
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